CN106965249B - Fibre reinforced composites processing is servo-actuated reverse cooling and dust pelletizing system - Google Patents
Fibre reinforced composites processing is servo-actuated reverse cooling and dust pelletizing system Download PDFInfo
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- CN106965249B CN106965249B CN201710145631.6A CN201710145631A CN106965249B CN 106965249 B CN106965249 B CN 106965249B CN 201710145631 A CN201710145631 A CN 201710145631A CN 106965249 B CN106965249 B CN 106965249B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/16—Perforating by tool or tools of the drill type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
- B01D46/0041—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
- B26D7/1845—Means for removing cut-out material or waste by non mechanical means
- B26D7/1863—Means for removing cut-out material or waste by non mechanical means by suction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D2007/0012—Details, accessories or auxiliary or special operations not otherwise provided for
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Fibre reinforced composites processing of the present invention is servo-actuated reverse cooling and dust pelletizing system belongs to Machining Technology for Cutting field, is related to a kind of system for realizing fibre reinforced composites process and being servo-actuated dedusting and inversely cooling down.The system is by aperture adjustment mechanism, negative pressure cover, expansion link mechanism, main shaft fixing bracket, cooling air feed mechanism, six part of dust treater structure composition.Cooling air feed mechanism is by jet blower, pressurizer of spraying, mist of oil mixing arrangement, and storage tank is constituted.Dust treater structure is made of the aspiration of negative pressure device, filtering module, waste liquid and chip collecting device, and is connected in turn.The cooling air feed mechanism of the system is capable of providing atomization cooling air, and is injected in machining area, and dust treater structure can effectively siphon away chips, realizes that dedusting, cooling could realize green, high-quality processing fibrous composite.The cooling air that liquefies and recovery system are compact-sized, integrate multiple functions, very with practical value.
Description
Technical field
The invention belongs to Machining Technology for Cutting field, it is related to that a kind of realization fibre reinforced composites process is servo-actuated to be removed
Dirt and inversely cooling system.
Background technology
Fibre reinforced composites are now widely used because of many good characteristics such as its light high-strength, high temperature resistant, antifatigue
In on aerospace, shipbuilding, automobile making and industrial robot, such as in Air Passenger A350WXB, BMW 7 is car, advanced
Coastal waters battleship all largely uses fibre reinforced composites to manufacture all kinds of components, to mitigate total quality, improves economy.Fiber
The anisotropic material that enhancing composite material is made of the great fiber reinforcement phase of performance difference and resin matrix, it is multiple in manufacture
Material component will produce superfine fiber dust during being processed to it, and harm to the human body is big, easily causes the illnesss such as pneumoconiosis, need
It to be dusted in time in processing.In addition, fibre reinforced composites are mainly by fiber reinforcement phase and resin matrix phase
The mixed style of composition, is macroscopically presented apparent anisotropy and stack features, and interfacial bonding strength is far below its other party
To, when cutting temperature is higher than the glass transition temperature of material resin matrix, the mechanical property of fibrous composite drastically decays,
The machining damages such as apparent layering, tearing can be generated under smaller responsive to axial force, it is therefore desirable to add in process
A series of cooling devices avoid the cutting region temperature close to the glass transition temperature of resin matrix.Additionally due to water-cooling pattern can cause
Resin matrix absorbs water, and glass transition temperature declines, and seriously affects compressive strength of the material under wet heat condition, industrially often adopts now
With types of cooling such as air-cooled, misting coolings.Meanwhile for ensure cooling effect validity and processing continuity, need to use with
Dynamic device follow-up processing.As it can be seen that in the cutting process of fibre reinforced composites, at the same realize dedusting, cooling and with
Dynamic feeding is to realize green, high-quality, rapid processing fibrous composite one of technical bottleneck.
Both at home and abroad the study found that when processing fibrous composite, different inspiratory directions will generate not drilling quality
With influence, layering when drilling, burr equivalent damage can be effectively reduced using rational structure, meanwhile, using sub-cooled
Processing can also reduce tool wear to a certain extent, improve processing quality, and Dalian University of Technology's Wang Fu Jis et al. propose
A kind of " the carbon fibre reinforced composite high quality processing method that negative pressure inversely cools down ", patent No. CN201610392258 should
Method makes to generate negative pressure in negative pressure cover by air pump, and by cutter air pump, cold hole generates positive pressure in drill bit, realizes reverse cooling
Function can effectively reduce burr and lamination defect, however negative pressure cover is fixed on fibrous composite surface in the invention, cannot
With tool motion, cannot achieve continuous cutting, and negative pressure cover upper end cannot envelope cutter chuck completely, when axial feed is larger
It can interfere, cutter chuck is made to knock negative pressure cover, this limits the amount of feeding of drilling cutter to a certain extent, cannot achieve
Big thickness material processing；What Tian Xia were delivered on Universit of Kentucky UKnowledge
《INVESTIGATION OF DRILLING PERFORMANCE IN CRYOGENIC DRILLING ON CFRP
COMPOSITE LAMINATES》On point out, in the cooling condition process fibrous composite when, compare drilling thrust, torque,
Tool abrasion and processing hole quality, find in most cases, low temperature drilling can obtain preferably processing hole quality and
Lower surface roughness, bore dia is more accurate, and the burr generated is less, and the wear rate of cutter is also more compared to dry cutting
It is small, however, above-mentioned patent and method all cannot achieve dust suction, cooling and with movement and motor-driven integratives, cannot be satisfied efficiently, it is high quality, low
The requirement of dust processing.
Invention content
Present invention mainly solves technical barrier be fiber-reinforced resin matrix compound material carry out machining process
In, a large amount of harmful dusts are generated, cutting region temperature height influences drilling quality, leads to the problem of a large amount of burrs and lamination defect, sends out
A kind of servo-actuated reverse cooling of bright fibrous composite processing and dust pelletizing system, the system can be achieved at the same time dedusting, reverse cold
But the requirement being servo-actuated with cutter, and multiclass drilling cutter can be suitable for, dust pollution is reduced, processing quality is improved.
The technical solution adopted by the present invention is servo-actuated reverse cooling and the dust pelletizing system of a kind of fibrous composite processing,
It is characterized in, the system is by aperture adjustment mechanism A, negative pressure cover B, expansion link mechanism C, main shaft fixing bracket D, cooling air feed mechanism
Six part E, dust treater structure F forms；
The cooling air feed mechanism E is by jet blower 11, pressurizer 4 of spraying, mist of oil mixing arrangement 5, and storage tank 6 is constituted,
Jet blower 11 is connect with spraying pressurizer 4, and spraying pressurizer 4 is connected with mist of oil mixing arrangement 5, mist of oil mixing arrangement 5 and storage
Tank 6 connect, by mist of oil mixing arrangement 5 by storage tank 6 cooling oil and cooling water extract out and be atomized in the device, it is defeated
It is sent among jet blower 11, the Working position of process tool 3 and multiple material plate 1 is injected in by jet blower 11；
The dust treater structure F is made of the aspiration of negative pressure device 7, filtering module 8, waste liquid and chip collecting device 9, and according to
It is secondary to connect；It is attached using hose 12 between the aspiration of negative pressure device 7 and negative pressure cover B, will be added by the aspiration of negative pressure device 7
The chip and extra cooling air that working hour generates are siphoned away by hose 12, filter chip and liquid by filtering module 8 later
Change cooling air, is preserved by waste liquid and chip collecting device 9.
The aperture adjustment mechanism A is that a kind of multiple-blade rotates aperture adjusting device, and blade group A1 is fixed on blade rotation
On axis A3, the opening and closing degree of blade group A1 is changed by the rotation angle of blade rotating push rod A2, to control centre aperture
The blade quantity of a1 sizes, blade group A1 controls between 8-12 pieces, and aperture adjustment scope control is in 6-20mm；
The negative pressure cover B uses 3D printing one-pass molding, negative pressure cover B to pass through 4 circumferentially distributed link block B3 and hole
Diameter regulating mechanism A strength glue stickings, negative pressure cover B are being pushed away by the push rod C1 of push rod connecting hole B2 connection expansion links mechanism C
Screw is screwed in lever lock tieholen B4 to fix；Air suction opening B1 is machined on negative pressure cover B, hose 12 is inserted into air suction opening B1, is used in combination
Screw is penetrated in sweep-up pipe locking hole and is locked；
The expansion link mechanism C is by push rod C1, thrust spring C2, and push rod fulcrum bearing C3 three parts are constituted, push rod C1 with push away
It is gap-matched between bar fulcrum bearing C3；
The main shaft fixing bracket D is made of abutment sleeve D1, tight locking button D2 and angle bar fixed seat D3 three parts, uses main shaft
Locking steel wire 10 passes through the principal shaft locking fixation with steel wire hole on angle bar fixed seat D3, is sleeved on main shaft and the fixation of the other end is propped up
Frame D is connected.
The beneficial effects of the invention are as follows cooling air feed mechanisms to be capable of providing atomization cooling air, and is injected in machining area；
Dust treater structure can effectively siphon away chips.Realize that dedusting, cooling could realize green, high-quality processing fiber composite material
Material.The cooling air that liquefies and recovery system are compact-sized, integrate multiple functions, very with practical value.
Description of the drawings
Fig. 1 is the schematic diagram of whole system, and Fig. 2 is the front view of aperture adjustment mechanism, and Fig. 3 is the isometric of negative pressure cover
Figure, Fig. 4 are the sectional view of expansion link mechanism, and Fig. 5 is the normal axomometric drawing of main shaft holder.Wherein：1- answers material plate, 2- lathe masters
Axis, 3- process tools, 4- spraying pressurizers, 5- mist of oil mixing arrangements, 6- storage tanks, 7- the aspiration of negative pressure devices, 8- filtering modules, 9-
Waste liquid and chip collecting device, 10- principal shaft locking steel wires, 11- jet blowers, 12- hoses；A- aperture adjustments mechanism, A1- leaves
Piece group, A2- blade rotating push rods, A3- blade rotary shafts；A1- center bores, B- negative pressure covers, B1- air suction openings, the connection of B2- push rods
Hole, B3- negative pressure cover link blocks, B4- telescopic rod locking holes, C- expansion link mechanisms, C1- push rods, C2- thrust springs, C3- push rod branch
Bearing；D- main shaft fixing brackets, D1- abutment sleeves, D2- tight locking buttons, D3- angle bar fixed seats, E- cooling air feed mechanisms, F- powder
Dirt processing mechanism, h- negative pressure cover wall thickness.
Specific implementation mode：
Below in conjunction with the accompanying drawings with the technical solution specific implementation that the present invention will be described in detail.
Such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, the servo-actuated dedusting of a kind of fibre reinforced composites processing shown in fig. 5 and reverse cold
But system, the system can be divided into aperture adjustment mechanism A, negative pressure cover B, expansion link mechanism C, main shaft fixing bracket D, cooling air supply
Six part mechanism E, dust treater structure F, system can control intake by aperture regulating mechanism A, adjust vacuum magnitude, lead to
It crosses negative pressure cover B and completes dedusting and refrigerating function, completing system by expansion link mechanism C and main shaft fixing bracket D follows lathe master
The function of axis movement is respectively completed the offer of cooling air and chip, remaining using cooling air feed mechanism E and dust treater structure F
The collection of gas.
In this example, the aperture adjustment mechanism A is that a kind of multiple-blade rotates aperture adjusting device, is pushed away by blade rotation
The rotation angle of bar A2 changes the opening and closing degree of blade group A1, and to control centre aperture a1 sizes, blade group A1 is fixed on
On blade rotary shaft A3, as rotating vane rotating push rod A2 counterclockwise, each blade on blade group A1 is around respective
Blade rotary shaft A3 is rotated counterclockwise, to which entire center bore becomes larger because blade opens, when blade rotating push rod A2 up times
When needle rotates, each blade of blade group A1 is rotated clockwise around respective blade rotary shaft A3, and center bore reduces, leaf
The blade quantity of piece group 11 is the approximate circle of guarantee and structure is relatively easy, has chosen the structure of 12 blades, aperture is in 6-20mm
It is adjusted in range.
The negative pressure cover B uses 3D printing technique increasing material manufacturing, one-pass molding that it is difficult to avoid complicated form part assembly
The problem of, negative pressure cover B passes through 4 circumferentially distributed link block B3 and aperture adjustment mechanism A strength glue stickings, negative pressure cover B
By push rod connecting hole B2 connection expansion link C, and screw is screwed in push rod locking hole B4, complete the dress of part B and component C
Match, negative pressure cover B forms negative pressure cavity, hose 12 is inserted into dust suction by covering drilling cutter 3 and 2 front end of machine tool chief axis
Hole B1 and being penetrated in sweep-up pipe locking hole with screw is locked, and the other end of hose is connected into the aspiration of negative pressure device 7, unlatching is worked as
After the aspiration of negative pressure device 7, the chip in negative pressure cavity is sucked out and is entered in dust treater structure F along hose 12, choosing
It is 3mm to select negative pressure cover wall thickness h.
The expansion link mechanism C is made of push rod C1, thrust spring C2, push rod fulcrum bearing C3 three parts, wherein push rod C1
Length be taken as 200mm, the telescopic extensions of thrust spring C2 are chosen for 30-120mm, and the length of push rod fulcrum bearing C3 is taken as
It is gap-matched between 200mm, push rod C1 and push rod fulcrum bearing C3, keeps push rod C1 free inside push rod fulcrum bearing C3
Sliding.
The main shaft fixing bracket D is made of abutment sleeve D1, tight locking button D2 and angle bar fixed seat D3 three parts, by push rod
Fulcrum bearing C3 is inserted into abutment sleeve D1 and using tight locking button D2 lockings, completes the assembly of component C and component D, use principal shaft locking
Steel wire 10 passes through the principal shaft locking fixation with steel wire hole on angle bar fixed seat D3, is sleeved on main shaft and the fixing bracket D phases of the other end
Even, positioning and locking of the whole system on main shaft 2 are realized by a pair of of main shaft fixing bracket D.
The cooling air feed mechanism E is by jet blower 11, pressurizer 4 of spraying, mist of oil mixing arrangement 5,6 four part of storage tank
Constitute, by mist of oil mixing arrangement 5 by storage tank 6 cooling oil and cooling water extract out and be atomized in the device, conveying
To among spraying pressurizer 4, the miscella mist jet of atomization in process tool 3 and is then answered by material plate 1 by jet blower 11
On Working position.
The dust treater structure is by the aspiration of negative pressure device 7, filtering module 8,9 three parts structure of waste liquid and chip collecting device
At, be attached using hose 12 between the aspiration of negative pressure device 7 and negative pressure cover B, by the aspiration of negative pressure device 7 will process when generate
Chip and extra cooling air siphoned away by hose 12, ensure that the cooling of cutting tip is constant, chip is removed at any time, it
Chip is filtered by filtering module 8 afterwards and the cooling air that liquefies, is preserved by waste liquid and chip collecting device 9.
Pass through principal shaft locking after the completion of aperture adjustment mechanism A, negative pressure cover B, expansion link mechanism C, the D assembly of main shaft fixing bracket
Steel wire 10 is fixed on main shaft 2, and as main shaft can synchronize realization translation, axis can be carried out in main shaft 2 by expansion link mechanism C
To when feeding, make negative pressure cover B always and material plate 1 fits closely again, telescopic rod is shunk, to which cutter can smoothly axially movable
It does not interfere, realizes lag function, and negative pressure cover B is connected to each critical piece, it can be smooth according to foregoing description function
Reverse dust suction and cooling requirement are completed, system structure is compact, integrates multiple functions, very with practical value.
Claims (1)
1. servo-actuated reverse cooling and the dust pelletizing system of a kind of fibre reinforced composites processing, characterized in that the system is by aperture
Regulating mechanism (A), negative pressure cover (B), expansion link mechanism (C), main shaft fixing bracket (D), cooling air feed mechanism (E), at dust
Manage six part mechanism (F) composition；
The cooling air feed mechanism (E) is by jet blower (11), spraying pressurizer (4), mist of oil mixing arrangement (5), storage tank (6)
It constitutes, jet blower (11) is connect with spraying pressurizer (4), and spraying pressurizer (4) is connected with mist of oil mixing arrangement (5), and mist of oil is mixed
Attach together and set (5) and connect with storage tank (6), by mist of oil mixing arrangement (5) by storage tank (6) cooling oil and cooling water extract out
And be atomized in the device, it is transported among jet blower (11), process tool (3) and multiple material is injected in by jet blower (11)
The Working position of plate (1)；
The dust treater structure (F) is made of the aspiration of negative pressure device (7), filtering module (8), waste liquid and chip collecting device (9),
And it is connected in turn；It is attached using hose (12) between the aspiration of negative pressure device (7) and negative pressure cover (B), passes through negative pressure
Dust catcher (7) siphons away the chip and extra cooling air that are generated when processing by hose (12), passes through filter module later
Block (8) filters chip and the cooling air that liquefies, and is preserved by waste liquid and chip collecting device (9)；
The aperture adjustment mechanism (A) is that a kind of multiple-blade rotates aperture adjusting device, and blade group (A1) is fixed on blade rotation
On axis (A3), the opening and closing degree of blade group (A1) is changed by the rotation angle of blade rotating push rod (A2), in control
The blade quantity of heart aperture (a1) size, blade group (A1) controls between 8-12 pieces, and aperture adjustment scope control is in 6-20mm；
The negative pressure cover (B) use 3D printing one-pass molding, negative pressure cover (B) by 4 circumferentially distributed link blocks (B3) with
Aperture adjustment mechanism (A) strength glue sticking, negative pressure cover (B) pushing away by push rod connecting hole (B2) connection expansion link mechanism (C)
Bar (C1), and screw in screw in push rod locking hole (B4) and fix；Air suction opening (B1), hose are machined on negative pressure cover (B)
(12) it is inserted into air suction opening (B1), is used in combination screw to penetrate in sweep-up pipe locking hole and locks；
The expansion link mechanism (C) is made of push rod (C1), thrust spring (C2), push rod fulcrum bearing (C3) three parts, push rod
(C1) it is gap-matched between push rod fulcrum bearing (C3)；
The main shaft fixing bracket (D) is made of abutment sleeve (D1), tight locking button (D2) and angle bar fixed seat (D3) three parts, is used
Principal shaft locking steel wire (10) passes through the principal shaft locking fixation with steel wire hole in angle bar fixed seat (D3), is sleeved on main shaft and the other end
Fixing bracket (D) be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710145631.6A CN106965249B (en) | 2017-03-13 | 2017-03-13 | Fibre reinforced composites processing is servo-actuated reverse cooling and dust pelletizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710145631.6A CN106965249B (en) | 2017-03-13 | 2017-03-13 | Fibre reinforced composites processing is servo-actuated reverse cooling and dust pelletizing system |
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| CN106965249A CN106965249A (en) | 2017-07-21 |
| CN106965249B true CN106965249B (en) | 2018-08-21 |
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| CN108555356B (en) * | 2018-03-27 | 2019-07-12 | 大连理工大学 | The portable reverse cooling of one kind and dust removal integrated plant |
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| CN110883355B (en) * | 2019-12-02 | 2021-12-03 | 大连理工大学 | Experimental device for drilling of laminated structure |
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| CN113910349B (en) * | 2021-08-23 | 2023-04-18 | 杭州航波纸塑包装有限公司 | Dust device is prevented to cross cutting machine |
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| CN106965249A (en) | 2017-07-21 |
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